Home / 709,826.64-1,063,854.23-354,942.15

Finding the Fourth Proportional to 709,826.64, 1,063,854.23 and 354,942.15

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Solution

The fourth proportional to 709,826.64, 1,063,854.23 and 354,942.15 is: 531,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,826.64 : 1,063,854.23 = 354,942.15 : x
  2. Step 2: Convert to fraction form
    709,826.64/1,063,854.23 = 354,942.15/x
  3. Step 3: Cross multiply
    709,826.64x = 1,063,854.23 × 354,942.15
  4. Step 4: Simplify right side
    709,826.64x = 377,606,708,901.09
  5. Step 5: Solve for x
    x = 377,606,708,901.09/709,826.64
  6. Step 6: Final answer
    x = 531,970.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.